The thing is he sets up easy to follow routine. He will always at least park and walk in to the desk. That's easy thing to force yourself into. Then he either

The thing is he sets up easy to follow routine. He will always at least park and walk in to the desk. That's easy thing to force yourself into. Then he either will go in and exercise or he will walk back to the car and drive. He could be in no mood to exercise, but at least he will walk in to the desk. Sometimes this simple act could mean that he could go and exercise after all, because he changed his mind.